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公开(公告)号:US396772A
公开(公告)日:1889-01-29
申请号:US396772D
CPC classification number: E05D15/0652 , E05Y2201/684 , Y10T16/379
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公开(公告)号:US293339A
公开(公告)日:1884-02-12
申请号:US293339D
CPC classification number: E05D15/0652 , E05Y2201/684 , Y10T16/379 , Y10T16/3831
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